提交 beaac6f3 编写于 作者: J Jason Wang 提交者: Sascha Hauer

mx51_3ds: Add support for the imx51 3-stack board

3-stack is a reference board from Freescale for their i.MX51 SoC.

Add board definition, Kconfig and Makefile to enable Freescale 3-stack
board.

Boot tested on a i.MX51 3-stack Rev2.0 board
Signed-off-by: NJason Wang <jason77.wang@gmail.com>
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>
上级 3fac6cf3
......@@ -15,4 +15,10 @@ config MACH_MX51_BABBAGE
u-boot. This includes specific configurations for the board and its
peripherals.
config MACH_MX51_3DS
bool "Support MX51PDK (3DS)"
select MXC_DEBUG_BOARD
help
Include support for MX51PDK (3DS) platform. This includes specific
configurations for the board and its peripherals.
endif
......@@ -6,4 +6,4 @@
obj-y := cpu.o mm.o clock-mx51.o devices.o
obj-$(CONFIG_MACH_MX51_BABBAGE) += board-mx51_babbage.o
obj-$(CONFIG_MACH_MX51_3DS) += board-mx51_3ds.o
/*
* Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
* Copyright (C) 2010 Jason Wang <jason77.wang@gmail.com>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <mach/hardware.h>
#include <mach/common.h>
#include <mach/iomux-mx51.h>
#include <mach/imx-uart.h>
#include <mach/3ds_debugboard.h>
#include "devices.h"
#define EXPIO_PARENT_INT (MXC_INTERNAL_IRQS + GPIO_PORTA + 6)
static struct pad_desc mx51_3ds_pads[] = {
/* UART1 */
MX51_PAD_UART1_RXD__UART1_RXD,
MX51_PAD_UART1_TXD__UART1_TXD,
MX51_PAD_UART1_RTS__UART1_RTS,
MX51_PAD_UART1_CTS__UART1_CTS,
/* UART2 */
MX51_PAD_UART2_RXD__UART2_RXD,
MX51_PAD_UART2_TXD__UART2_TXD,
MX51_PAD_EIM_D25__UART2_CTS,
MX51_PAD_EIM_D26__UART2_RTS,
/* UART3 */
MX51_PAD_UART3_RXD__UART3_RXD,
MX51_PAD_UART3_TXD__UART3_TXD,
MX51_PAD_EIM_D24__UART3_CTS,
MX51_PAD_EIM_D27__UART3_RTS,
/* CPLD PARENT IRQ PIN */
MX51_PAD_GPIO_1_6__GPIO_1_6,
};
/* Serial ports */
#if defined(CONFIG_SERIAL_IMX) || defined(CONFIG_SERIAL_IMX_MODULE)
static struct imxuart_platform_data uart_pdata = {
.flags = IMXUART_HAVE_RTSCTS,
};
static inline void mxc_init_imx_uart(void)
{
mxc_register_device(&mxc_uart_device0, &uart_pdata);
mxc_register_device(&mxc_uart_device1, &uart_pdata);
mxc_register_device(&mxc_uart_device2, &uart_pdata);
}
#else /* !SERIAL_IMX */
static inline void mxc_init_imx_uart(void)
{
}
#endif /* SERIAL_IMX */
/*
* Board specific initialization.
*/
static void __init mxc_board_init(void)
{
mxc_iomux_v3_setup_multiple_pads(mx51_3ds_pads,
ARRAY_SIZE(mx51_3ds_pads));
mxc_init_imx_uart();
if (mxc_expio_init(MX51_CS5_BASE_ADDR, EXPIO_PARENT_INT))
printk(KERN_WARNING "Init of the debugboard failed, all "
"devices on the board are unusable.\n");
}
static void __init mx51_3ds_timer_init(void)
{
mx51_clocks_init(32768, 24000000, 22579200, 0);
}
static struct sys_timer mxc_timer = {
.init = mx51_3ds_timer_init,
};
MACHINE_START(MX51_3DS, "Freescale MX51 3-Stack Board")
/* Maintainer: Freescale Semiconductor, Inc. */
.phys_io = MX51_AIPS1_BASE_ADDR,
.io_pg_offst = ((MX51_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
.boot_params = PHYS_OFFSET + 0x100,
.map_io = mx51_map_io,
.init_irq = mx51_init_irq,
.init_machine = mxc_board_init,
.timer = &mxc_timer,
MACHINE_END
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册